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<body><em>(keyword lookup)&nbsp;&nbsp;&nbsp;</em> The interface and classes of <strong>util.aggregation</strong> support simple aggregation of items. For sums, use <em>OR</em>.&nbsp; For minimizations, use <em>AND</em>.&nbsp; For minimization plus per-item increments, use <em>ANDacc </em>or <em>ANDaccN</em>.cN.N.Dacc or ANDaccN.

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